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Diffstat (limited to 'sound/soc/codecs/rt5677.c')
-rw-r--r--sound/soc/codecs/rt5677.c207
1 files changed, 193 insertions, 14 deletions
diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c
index fb9c20eace3f..af182586712d 100644
--- a/sound/soc/codecs/rt5677.c
+++ b/sound/soc/codecs/rt5677.c
@@ -718,11 +718,24 @@ static int rt5677_set_dsp_vad(struct snd_soc_codec *codec, bool on)
RT5677_LDO1_SEL_MASK, 0x0);
regmap_update_bits(rt5677->regmap, RT5677_PWR_ANLG2,
RT5677_PWR_LDO1, RT5677_PWR_LDO1);
- regmap_update_bits(rt5677->regmap, RT5677_GLB_CLK1,
- RT5677_MCLK_SRC_MASK, RT5677_MCLK2_SRC);
- regmap_update_bits(rt5677->regmap, RT5677_GLB_CLK2,
- RT5677_PLL2_PR_SRC_MASK | RT5677_DSP_CLK_SRC_MASK,
- RT5677_PLL2_PR_SRC_MCLK2 | RT5677_DSP_CLK_SRC_BYPASS);
+ switch (rt5677->type) {
+ case RT5677:
+ regmap_update_bits(rt5677->regmap, RT5677_GLB_CLK1,
+ RT5677_MCLK_SRC_MASK, RT5677_MCLK2_SRC);
+ regmap_update_bits(rt5677->regmap, RT5677_GLB_CLK2,
+ RT5677_PLL2_PR_SRC_MASK |
+ RT5677_DSP_CLK_SRC_MASK,
+ RT5677_PLL2_PR_SRC_MCLK2 |
+ RT5677_DSP_CLK_SRC_BYPASS);
+ break;
+ case RT5676:
+ regmap_update_bits(rt5677->regmap, RT5677_GLB_CLK2,
+ RT5677_DSP_CLK_SRC_MASK,
+ RT5677_DSP_CLK_SRC_BYPASS);
+ break;
+ default:
+ break;
+ }
regmap_write(rt5677->regmap, RT5677_PWR_DSP2, 0x07ff);
regmap_write(rt5677->regmap, RT5677_PWR_DSP1, 0x07fd);
rt5677_set_dsp_mode(codec, true);
@@ -1021,6 +1034,169 @@ static int can_use_asrc(struct snd_soc_dapm_widget *source,
return 0;
}
+/**
+ * rt5677_sel_asrc_clk_src - select ASRC clock source for a set of filters
+ * @codec: SoC audio codec device.
+ * @filter_mask: mask of filters.
+ * @clk_src: clock source
+ *
+ * The ASRC function is for asynchronous MCLK and LRCK. Also, since RT5677 can
+ * only support standard 32fs or 64fs i2s format, ASRC should be enabled to
+ * support special i2s clock format such as Intel's 100fs(100 * sampling rate).
+ * ASRC function will track i2s clock and generate a corresponding system clock
+ * for codec. This function provides an API to select the clock source for a
+ * set of filters specified by the mask. And the codec driver will turn on ASRC
+ * for these filters if ASRC is selected as their clock source.
+ */
+int rt5677_sel_asrc_clk_src(struct snd_soc_codec *codec,
+ unsigned int filter_mask, unsigned int clk_src)
+{
+ struct rt5677_priv *rt5677 = snd_soc_codec_get_drvdata(codec);
+ unsigned int asrc3_mask = 0, asrc3_value = 0;
+ unsigned int asrc4_mask = 0, asrc4_value = 0;
+ unsigned int asrc5_mask = 0, asrc5_value = 0;
+ unsigned int asrc6_mask = 0, asrc6_value = 0;
+ unsigned int asrc7_mask = 0, asrc7_value = 0;
+
+ switch (clk_src) {
+ case RT5677_CLK_SEL_SYS:
+ case RT5677_CLK_SEL_I2S1_ASRC:
+ case RT5677_CLK_SEL_I2S2_ASRC:
+ case RT5677_CLK_SEL_I2S3_ASRC:
+ case RT5677_CLK_SEL_I2S4_ASRC:
+ case RT5677_CLK_SEL_I2S5_ASRC:
+ case RT5677_CLK_SEL_I2S6_ASRC:
+ case RT5677_CLK_SEL_SYS2:
+ case RT5677_CLK_SEL_SYS3:
+ case RT5677_CLK_SEL_SYS4:
+ case RT5677_CLK_SEL_SYS5:
+ case RT5677_CLK_SEL_SYS6:
+ case RT5677_CLK_SEL_SYS7:
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ /* ASRC 3 */
+ if (filter_mask & RT5677_DA_STEREO_FILTER) {
+ asrc3_mask |= RT5677_DA_STO_CLK_SEL_MASK;
+ asrc3_value = (asrc3_value & ~RT5677_DA_STO_CLK_SEL_MASK)
+ | (clk_src << RT5677_DA_STO_CLK_SEL_SFT);
+ }
+
+ if (filter_mask & RT5677_DA_MONO2_L_FILTER) {
+ asrc3_mask |= RT5677_DA_MONO2L_CLK_SEL_MASK;
+ asrc3_value = (asrc3_value & ~RT5677_DA_MONO2L_CLK_SEL_MASK)
+ | (clk_src << RT5677_DA_MONO2L_CLK_SEL_SFT);
+ }
+
+ if (filter_mask & RT5677_DA_MONO2_R_FILTER) {
+ asrc3_mask |= RT5677_DA_MONO2R_CLK_SEL_MASK;
+ asrc3_value = (asrc3_value & ~RT5677_DA_MONO2R_CLK_SEL_MASK)
+ | (clk_src << RT5677_DA_MONO2R_CLK_SEL_SFT);
+ }
+
+ if (asrc3_mask)
+ regmap_update_bits(rt5677->regmap, RT5677_ASRC_3, asrc3_mask,
+ asrc3_value);
+
+ /* ASRC 4 */
+ if (filter_mask & RT5677_DA_MONO3_L_FILTER) {
+ asrc4_mask |= RT5677_DA_MONO3L_CLK_SEL_MASK;
+ asrc4_value = (asrc4_value & ~RT5677_DA_MONO3L_CLK_SEL_MASK)
+ | (clk_src << RT5677_DA_MONO3L_CLK_SEL_SFT);
+ }
+
+ if (filter_mask & RT5677_DA_MONO3_R_FILTER) {
+ asrc4_mask |= RT5677_DA_MONO3R_CLK_SEL_MASK;
+ asrc4_value = (asrc4_value & ~RT5677_DA_MONO3R_CLK_SEL_MASK)
+ | (clk_src << RT5677_DA_MONO3R_CLK_SEL_SFT);
+ }
+
+ if (filter_mask & RT5677_DA_MONO4_L_FILTER) {
+ asrc4_mask |= RT5677_DA_MONO4L_CLK_SEL_MASK;
+ asrc4_value = (asrc4_value & ~RT5677_DA_MONO4L_CLK_SEL_MASK)
+ | (clk_src << RT5677_DA_MONO4L_CLK_SEL_SFT);
+ }
+
+ if (filter_mask & RT5677_DA_MONO4_R_FILTER) {
+ asrc4_mask |= RT5677_DA_MONO4R_CLK_SEL_MASK;
+ asrc4_value = (asrc4_value & ~RT5677_DA_MONO4R_CLK_SEL_MASK)
+ | (clk_src << RT5677_DA_MONO4R_CLK_SEL_SFT);
+ }
+
+ if (asrc4_mask)
+ regmap_update_bits(rt5677->regmap, RT5677_ASRC_4, asrc4_mask,
+ asrc4_value);
+
+ /* ASRC 5 */
+ if (filter_mask & RT5677_AD_STEREO1_FILTER) {
+ asrc5_mask |= RT5677_AD_STO1_CLK_SEL_MASK;
+ asrc5_value = (asrc5_value & ~RT5677_AD_STO1_CLK_SEL_MASK)
+ | (clk_src << RT5677_AD_STO1_CLK_SEL_SFT);
+ }
+
+ if (filter_mask & RT5677_AD_STEREO2_FILTER) {
+ asrc5_mask |= RT5677_AD_STO2_CLK_SEL_MASK;
+ asrc5_value = (asrc5_value & ~RT5677_AD_STO2_CLK_SEL_MASK)
+ | (clk_src << RT5677_AD_STO2_CLK_SEL_SFT);
+ }
+
+ if (filter_mask & RT5677_AD_STEREO3_FILTER) {
+ asrc5_mask |= RT5677_AD_STO3_CLK_SEL_MASK;
+ asrc5_value = (asrc5_value & ~RT5677_AD_STO3_CLK_SEL_MASK)
+ | (clk_src << RT5677_AD_STO3_CLK_SEL_SFT);
+ }
+
+ if (filter_mask & RT5677_AD_STEREO4_FILTER) {
+ asrc5_mask |= RT5677_AD_STO4_CLK_SEL_MASK;
+ asrc5_value = (asrc5_value & ~RT5677_AD_STO4_CLK_SEL_MASK)
+ | (clk_src << RT5677_AD_STO4_CLK_SEL_SFT);
+ }
+
+ if (asrc5_mask)
+ regmap_update_bits(rt5677->regmap, RT5677_ASRC_5, asrc5_mask,
+ asrc5_value);
+
+ /* ASRC 6 */
+ if (filter_mask & RT5677_AD_MONO_L_FILTER) {
+ asrc6_mask |= RT5677_AD_MONOL_CLK_SEL_MASK;
+ asrc6_value = (asrc6_value & ~RT5677_AD_MONOL_CLK_SEL_MASK)
+ | (clk_src << RT5677_AD_MONOL_CLK_SEL_SFT);
+ }
+
+ if (filter_mask & RT5677_AD_MONO_R_FILTER) {
+ asrc6_mask |= RT5677_AD_MONOR_CLK_SEL_MASK;
+ asrc6_value = (asrc6_value & ~RT5677_AD_MONOR_CLK_SEL_MASK)
+ | (clk_src << RT5677_AD_MONOR_CLK_SEL_SFT);
+ }
+
+ if (asrc6_mask)
+ regmap_update_bits(rt5677->regmap, RT5677_ASRC_6, asrc6_mask,
+ asrc6_value);
+
+ /* ASRC 7 */
+ if (filter_mask & RT5677_DSP_OB_0_3_FILTER) {
+ asrc7_mask |= RT5677_DSP_OB_0_3_CLK_SEL_MASK;
+ asrc7_value = (asrc7_value & ~RT5677_DSP_OB_0_3_CLK_SEL_MASK)
+ | (clk_src << RT5677_DSP_OB_0_3_CLK_SEL_SFT);
+ }
+
+ if (filter_mask & RT5677_DSP_OB_4_7_FILTER) {
+ asrc7_mask |= RT5677_DSP_OB_4_7_CLK_SEL_MASK;
+ asrc7_value = (asrc7_value & ~RT5677_DSP_OB_4_7_CLK_SEL_MASK)
+ | (clk_src << RT5677_DSP_OB_4_7_CLK_SEL_SFT);
+ }
+
+ if (asrc7_mask)
+ regmap_update_bits(rt5677->regmap, RT5677_ASRC_7, asrc7_mask,
+ asrc7_value);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rt5677_sel_asrc_clk_src);
+
/* Digital Mixer */
static const struct snd_kcontrol_new rt5677_sto1_adc_l_mix[] = {
SOC_DAPM_SINGLE("ADC1 Switch", RT5677_STO1_ADC_MIXER,
@@ -4500,10 +4676,10 @@ static int rt5677_suspend(struct snd_soc_codec *codec)
if (!rt5677->dsp_vad_en) {
regcache_cache_only(rt5677->regmap, true);
regcache_mark_dirty(rt5677->regmap);
- }
- if (gpio_is_valid(rt5677->pow_ldo2))
- gpio_set_value_cansleep(rt5677->pow_ldo2, 0);
+ if (gpio_is_valid(rt5677->pow_ldo2))
+ gpio_set_value_cansleep(rt5677->pow_ldo2, 0);
+ }
return 0;
}
@@ -4512,12 +4688,12 @@ static int rt5677_resume(struct snd_soc_codec *codec)
{
struct rt5677_priv *rt5677 = snd_soc_codec_get_drvdata(codec);
- if (gpio_is_valid(rt5677->pow_ldo2)) {
- gpio_set_value_cansleep(rt5677->pow_ldo2, 1);
- msleep(10);
- }
-
if (!rt5677->dsp_vad_en) {
+ if (gpio_is_valid(rt5677->pow_ldo2)) {
+ gpio_set_value_cansleep(rt5677->pow_ldo2, 1);
+ msleep(10);
+ }
+
regcache_cache_only(rt5677->regmap, false);
regcache_sync(rt5677->regmap);
}
@@ -4733,7 +4909,8 @@ static const struct regmap_config rt5677_regmap = {
};
static const struct i2c_device_id rt5677_i2c_id[] = {
- { "rt5677", 0 },
+ { "rt5677", RT5677 },
+ { "rt5676", RT5676 },
{ }
};
MODULE_DEVICE_TABLE(i2c, rt5677_i2c_id);
@@ -4850,6 +5027,8 @@ static int rt5677_i2c_probe(struct i2c_client *i2c,
i2c_set_clientdata(i2c, rt5677);
+ rt5677->type = id->driver_data;
+
if (pdata)
rt5677->pdata = *pdata;